旅游团安排住宿,若有4个房间每间住4人,其余房间每间住5人,还剩2人,若有4个房间每间住5人,其余房间每间住4人,正好住下,该旅游团有多少人? A. ...

作者: rantiku 人气: - 评论: 0
问题 旅游团安排住宿,若有4个房间每间住4人,其余房间每间住5人,还剩2人,若有4个房间每间住5人,其余房间每间住4人,正好住下,该旅游团有多少人? A. 43 B. 38 C. 33 D. 28
选项
答案 D
解析 设除去个后有房间X个,可列方程4×4+5X+2=4×5+4X,解得X=2,则该旅行团有5×4+4×2=28人。另外,可以这么想,从题干可知,总人数一定是4的倍数,而选中只有28是4的倍数,故答案为D。

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